POSTLAB ASSIGNMENT
1.  Identify the six unknowns including  reasoning  and experimental basis for the  identification of each unknown, which means: step-wise,  thorough and  logical thought process  that lead  you to the identification (see Introduction for partial examples). Also, summarize the results in a conclusion: e.g. A= HCl, B= NaCl ....., etc.
Remember to attach your data sheets to the postlab.

2. Write the balanced  chemical equations for all pairs of solutions that produced precipitates (solids) or gases. Indicate a ppt on the product side with a (s) and the gas with a (g), following  the formula. E.g:
     NaCl (aq) + AgNO3 (aq)  --->  AgCl(s) + NaNO3 (aq)
Remember that :
- cloudiness, milkiness, or  turbidity is  observed after mixing two solutions =  solid (precipitate) was formed
- bubbles = gas formed

3.  List all strong  acids and bases used in this experiment.
 We know that  strong acids and  bases react  to form water and salt.  Yet all of the acid-base reactions were recorded as NR on your data sheet. Why  there were no visible cues for the reactions between the acids  acids and bases used in this experiment?